❦ 24 mars 2015 07:45 -0400, jeff saremi <jeffsar...@hotmail.com> :

> #!/bin/sh
> pidfile=/data/haproxy.pidhaproxy -db  \
>   -f /haproxy-1.5.8/haproxy.cfg   -p $pidfile   \
>   -sf $(cat $pidfile)

The shell does variable substitution first, then execute the
line. Hence, $pidfile is expanded to "", not to "/data/haproxy.pid". Put
pidfile=... on its own line.
-- 
I'll burn my books.
                -- Christopher Marlowe

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